Word Study
ondatra |
ondatra zibethica |
onde |
ondogram |
ondograph |
ondometer
| ondoyant
| one
| one after another
| one and all
| one and only
ondometer
CIDE DICTIONARY
ondometer, n. [F. onde wave, L. unda + -mater.].
An electric wave meter. [Webster 1913 Suppl.]
For further exploring for "ondometer" in Webster Dictionary Online